<h3>
Answer: Choice D. 2, 6, 12, 20</h3>
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Work Shown:
Plug in n = 1
c(n) = n(n+1)
c(1) = 1(1+1)
c(1) = 1(2)
c(1) = 2
The first term is 2
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Plug in n = 2
c(n) = n(n+1)
c(2) = 2(2+1)
c(2) = 2(3)
c(2) = 6
The second term is 6
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Plug in n = 3
c(n) = n(n+1)
c(3) = 3(3+1)
c(3) = 3(4)
c(3) = 12
The third term is 12
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Plug in n = 4
c(n) = n(n+1)
c(4) = 4(4+1)
c(4) = 4(5)
c(4) = 20
The fourth term is 20
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The first four terms are: 2, 6, 12, 20
1. The whole numbers are the counting numbers starting at zero.
2. The natural numbers are the counting numbers starting at one.
These are just the definitions that are usually used. Some authors count zero as a natural number.
Quadrant 1 is the answer. quadrant 2 is to the right of quadrant 1 and quadrant 3 is below quadrant 1
D. All of the Above
Why:
Because these Eukaryotic cells have a nucleus and other membrane bound organelles. These cell are found in Fungi, plants, protist and animals as well as some algae.
<span>(ab+3a+7)- (-5ab-2)
=</span><span>ab+ 3a+ 7+ 5ab + 2
=3a + 6ab + 9</span>
